An empirical equation including fracture toughness and describing friction of dental restorative materials
作者： J.C. Roberts , J.M. Powers , R.G. Craig
DOI: 10.1016/0043-1648(78)90210-7
关键词: Young's modulus 、 Viscoelasticity 、 Composite material 、 Deformation (engineering) 、 Empirical equations 、 Fracture toughness 、 Dental restorative materials 、 Dental amalgams 、 Materials science 、 Toughness
摘要: Abstract An equation was developed from studies of single-pass wear and fracture toughness filled unfilled dental restorative resins amalgams relating the sliding frictional force F to normal load N , toughness, modulus elasticity, yield strength slider diameter. This same form as that reported for viscoelastic materials ( = KN n ). Friction caused primarily by ploughing or deformation material under conditions tested.
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